Boat or camping trailer



FIG. 1 is a rear and side perspective view of a boat or camping trailer showing my new design;

FIG. 2 is a right side elevation view thereof, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevation view thereof; and,

FIG. 5 is a front elevation view thereof. 

The ornamental design for a boat or camping trailer, as shown and described. 